Home / 132,816.59-183,281.56-72,385.93

Finding the Fourth Proportional to 132,816.59, 183,281.56 and 72,385.93

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Solution

The fourth proportional to 132,816.59, 183,281.56 and 72,385.93 is: 99,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816.59 : 183,281.56 = 72,385.93 : x
  2. Step 2: Convert to fraction form
    132,816.59/183,281.56 = 72,385.93/x
  3. Step 3: Cross multiply
    132,816.59x = 183,281.56 × 72,385.93
  4. Step 4: Simplify right side
    132,816.59x = 13,267,006,172.45
  5. Step 5: Solve for x
    x = 13,267,006,172.45/132,816.59
  6. Step 6: Final answer
    x = 99,889.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.